1985 Alfa Romeo 90 vs. 2003 Fiat Siena
To start off, 2003 Fiat Siena is newer by 18 year(s). Which means there will be less support and parts availability for 1985 Alfa Romeo 90. In addition, the cost of maintenance, including insurance, on 1985 Alfa Romeo 90 would be higher. At 2,391 cc (4 cylinders), 1985 Alfa Romeo 90 is equipped with a bigger engine. In terms of performance, 1985 Alfa Romeo 90 (109 HP @ 4200 RPM) has 40 more horse power than 2003 Fiat Siena. (69 HP @ 4500 RPM). In normal driving conditions, 1985 Alfa Romeo 90 should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1985 Alfa Romeo 90 weights approximately 150 kg more than 2003 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1985 Alfa Romeo 90 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1985 Alfa Romeo 90. However, in wet, icy, snow, or gravel driving conditions, 2003 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1985 Alfa Romeo 90 (235 Nm @ 2300 RPM) has 107 more torque (in Nm) than 2003 Fiat Siena. (128 Nm @ 2500 RPM). This means 1985 Alfa Romeo 90 will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 1985 Alfa Romeo 90 | 2003 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | 90 | Siena |
| Year Released | 1985 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2391 cc | 1747 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 69 HP |
| Engine RPM | 4200 RPM | 4500 RPM |
| Torque | 235 Nm | 128 Nm |
| Torque RPM | 2300 RPM | 2500 RPM |
| Engine Bore Size | 92 mm | 82.7 mm |
| Engine Stroke Size | 90 mm | 79.2 mm |
| Engine Compression Ratio | 22.0:1 | 20.3:1 |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1100 kg |
| Vehicle Length | 4400 mm | 4110 mm |
| Vehicle Width | 1650 mm | 1630 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2380 mm |
